Luminaire



FIG. 1 is a perspective view of a luminaire showing the design with an accent ring visible along a side wall;

FIG. 2 is a right side view of a luminaire thereof showing the design with the accent ring visible along the side wall where the left side, top, and bottom views are a mirror image of this view; and,

FIG. 3 is a front view thereof with the accent ring visible along the side wall, a back view not being shown as it is devoid of ornamentation. 

The ornamental design for a luminaire, as shown and described. 